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Configuration Guide - MPLS

S7700 and S9700 V200R011C10

This document describes MPLS configurations supported by the switch, including the principle and configuration procedures of static LSPs, MPLS LDP, MPLS TE, MPLS QoS, MPLS OAM, Seamless MPLS, and MPLS common features, and provides configuration examples.
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Overview of MPLS QoS

Overview of MPLS QoS


Multiprotocol Label Switching quality of service (MPLS QoS) is implemented using the Differentiated Services (DiffServ) model on an MPLS network. MPLS QoS provides differentiated services to meet diverse requirements.


MPLS uses label-based forwarding and provides powerful and flexible functions to meet the requirements of new applications. MPLS has been widely used for building large-scale networks and supports multiple network protocols including IPv4 and IPv6. On an MPLS network, however, IP QoS cannot be used to guarantee quality of services, so MPLS QoS is used instead.

Similar to IP QoS, MPLS QoS uses dedicated bandwidth for enterprise users or differentiated services (such as voice, video, and data services). MPLS QoS differentiates data flows based on the EXP field and provides differentiated services for data flows. The use of MPLS QoS helps minimize delays and ensures low packet loss ratios for voice and video data streams, guaranteeing high network usage.

Updated: 2019-10-18

Document ID: EDOC1000178315

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